Operation Manual

Error code Cause How to correct the fault
Low T Room
The room temperature is / has
been below the set point, less 10°C
(storing cycle).
Example:
The set point has been set to +2°C.
The lower alarm threshold will then
be -8°C.
• Qualifi ed technician required.
ALL BlackOut
The power supply has been
disconnected.
• When power is restored, you can see under
ALARM how long this blackout has lasted, and
what the maximum temperature has been
ALL Door Open
Room door is open.
Door micro faulty.
• Close the door.
• If the error code is still shown in the display after
the door has been closed, a qualifi ed technician is
required.
Page 23
Overview error codes - continued.
COMPLEMENTARY USE
!
See contact information to Gram’s Service
department on the back of this user manual.